The youngster penned terms to 2030 before Saturday's 5-1 win against Burnley.
Advertisement
Advertisement
"Rico Lewis, now Nico O’Reilly, Savinho is close and in the past Ruben (Dias) has done it as well,” Guardiola said following the win over the Clarets.
“We want him, so we did the effort that we need to help him stay here longer. I’m really pleased because Nico is growing a lot.
“Since he started playing, I think we have lost just one game in the FA Cup final against Crystal Palace.
“Nico helped us a lot, he improved his aggression, from set-pieces, with the ball and we are really pleased.”